User's Manual

If a problem occurs ...
Presence | 23
If a problem occurs ...
If a problem occurs that is not listed in the above table or if the problem
cannot be solved with the proposed solutions, please contact your local
Sennheiser partner for assistance.
To find a Sennheiser partner in your country, search at www.senncom.com.
Restoring factory default settings (Reset)
When resetting the headset to the factory default settings, the list of
Bluetooth devices connected to your headset is deleted.
1 Switch the headset off (see page 16).
2 Keep both Volume buttons pressed and gently slide the power on/off
slider away from the headset. The LED flashes 3 times purple and then
alternately blue and red. The headset tries to pair with the Bluetooth
devices (see page 12).
Problem Possible cause Possible solution Page
Headset cannot
be switched on
The rechargeable
battery is flat.
Recharge the recharge-
able battery.
11
No audio signal The headset is not
paired with the
mobile phone.
Check if the headset is
paired. If necessary, pair
the headset with the
mobile phone again.
12
The volume is
adjusted too low.
Increase the volume. 18
The headset is
switched off.
Switch the headset on. 16
Headset cannot
be paired
The pairing does
not work.
Check if the your
Bluetooth device
supports the HF or
HS profile.
–
The mobile phone
is switched off.
Switch the mobile
phone on.
–
No voice
prompts
announced
(beeps only)
The voice prompts
are disabled.
Enable the voice
prompts.
10
Headset does
not react to any
button press
The operation of the
headset is faulty.
Reset the headset to
the factory default
settings.
23
1 2
on
press & hold
off